Eriogonum umbellatum var. majus Hook.

Sulphur-flower buckwheat (en)

Variety

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum > Eriogonum umbellatum

Characteristics

Herbs, prostrate to spreading, compact mats, 1-4.5(-5) × 2-8(-10) dm. Aerial flowering stems erect, 1.5-3 dm, usually floccose, without one or more leaflike bracts ca. midlength. Leaves in loose rosettes; blade oblanceolate to elliptic, (0.3-)0.5-2(-4) × 0.3-1(-1.5) cm, densely whitish-, greenish-, or reddish-lanate abaxially, glabrous and olive green to bright green adaxially, margins plane. Inflorescences umbellate; branches (2-)3-9 cm, usually floccose, without a whorl of bracts ca. midlength; involucral tubes 2-3.5 mm, lobes 1-4 mm. Flowers 3-7(-9.5) mm; perianth cream. 2n = 76.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality polygamodioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-3
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses beverage
Edible -
Therapeutic use Gynecological Aid (flower)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 28
Germination temperacture (C°) 20
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Eriogonum umbellatum var. majus world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:95546-2
WFO ID wfo-0000675602
COL ID 7LQSS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum subalpinum Eriogonum subalpinum var. arachnoideum Eriogonum subalpinum var. stenophyllum Eriogonum subalpinum var. subnivale Eriogonum subalpinum var. vulcanicum Eriogonum umbellatum var. majus Eriogonum umbellatum var. subalpinum Eriogonum umbellatum subsp. subalpinum Eriogonum umbellatum subsp. majus